Where do the raa’ and laam (when having tafkheem) fit between the ranks of ’isti‘laa’ letters in degree of tafkheem?
Jazaakal-laahu khairaa.

Wa salaamun ‘alaikum wa rahmatul-laahi wa barakaatuh.

Answer
Wa alaikum assalaam wa rahmatullahi wa barakatuh,
The and do not have levels or ranks of takfheem like the letters of ; instead, they have tafkheem under certain circumstances. The tafkheem in the cases that they do have tafkheem is the same level, maximum.